class Car:
    """一次模拟汽车的简单尝试。"""

    def __init__(self,make,model,year):
        """初始化描述汽车的属性。"""
        self.make = make
        self.model = model
        self.year = year
        self.odometer_reading=0

    def get_descriptive_name(self):
        """返回整洁的描述性信息。"""
        long_name = f"{self.year} {self.make} {self.model}"
        return long_name.title()


my_new_car = Car('audi','a4',2019)
print(my_new_car.get_descriptive_name())